About the Authors

Amir Goren

Amir.Goren@kantarhealth.com

Affiliation Health Outcomes Practice, Kantar Health, New York, New York, United States of America

Kathy Annunziata

Affiliation Health Outcomes Practice, Kantar Health, Princeton, New Jersey, United States of America

Robert A. Schnoll

Affiliation Department of Psychiatry, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Jose A. Suaya

Affiliation GlaxoSmithKline Vaccines, Philadelphia, Pennsylvania, United States of America

Competing Interests

AG and KA are employees of Kantar Health (an independent research organization contracted to execute the study). RAS acted as a consultant for GlaxoSmithKline on the study. RAS has received funding for his consultancy by GlaxoSmithKline. RAS has also received research grants from the NIH and active and placebo medications for clinical trials from Pfizer. JAS is employed by the GlaxoSmithKline group of companies. At the time of this study, JAS worked at GlaxoSmithKline Vaccines. All listed parties received funding from the GlaxoSmithKline group of companies. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: AG KA RAS JAS. Performed the experiments: AG KA. Analyzed the data: AG KA RAS JAS. Wrote the paper: AG KA RAS JAS.